Search: Babbage, Charles in correspondent 
Herschel, John in correspondent 
1810-1819 in date 
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From:
Charles Babbage
To:
Sir John Herschel
Date:
[20 June 1812]
Source of text:
RS:HS 2.1
Summary:

Sending an equation in calculus for him to give opinion.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[10 July 1812]
Source of text:
RS:HS 2.3
Summary:

Further comments on his original query [see CB's 1812-6-20] regarding the equation in calculus.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[22 December 1812]
Source of text:
RS:HS 2.5
Summary:

Sending details of some new theorems he has come across.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[19 February 1813]
Source of text:
RS:HS 2.7
Summary:

Answers to JH's questions on equations. Regarding the printing of his memoirs. Recent meeting of the Analytical Society.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
1813-4
Source of text:
RS:HS 2.9
Summary:

Comments regarding the preface to their memoir. Further comments on JH's equations.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[1 May 1813]
Source of text:
RS:HS 2.10
Summary:

Memoir is being printed. Gives some more strange theorems for JH's comments.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[25 May 1813]
Source of text:
RS:HS 2.12
Summary:

Is sending copy of part of the memoir requested by JH. Gives a further theorem for JH's consideration.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
1813-6-1 or later
Source of text:
RS:HS 2.13
Summary:

Is sending the first 12 pages of JH's memoir. Is glad to hear that he has material for a further memoir. Gives equations for JH's comments.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[30 June 1813]
Source of text:
RS:HS 2.15
Summary:

Where to find further information on functional equations. Gives further equations for JH's comments. Regarding the proposed abridgement of J. B. Delambre's work on astronomy.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[24 September 1813]
Source of text:
RS:HS 2.18
Summary:

Will be visiting London shortly and hopes to purchase some experimental equipment to carry out experiments with heat.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[21 January 1814]
Source of text:
RS:HS 2.21
Summary:

Regarding the proposed method of raising funds to pay for printing of the memoir. Justifies his equation queried by JH. Would he purchase certain chemicals for him.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
1814-4
Source of text:
RS:HS 2.23
Summary:

Will be in town and requests addresses of shops where certain experimental apparatus can be purchased. Send [H. E.?] Roscoe's direction.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[4 July 1814]
Source of text:
RS:HS 2.24
Summary:

Has been working on analysis. Gives equations he has solved. Has met a mineralogist.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[1 August 1814]
Source of text:
RS:HS 2.25
Summary:

Their 'Analytical' has not been reviewed in the Edinburgh Review. Has married. Looking out for a situation. Gives an equation dealing with relative functions.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
1814-8
Source of text:
RS:HS 2.27
Summary:

Sends equations in operational calculus.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[10 August 1814]
Source of text:
RS:HS 2.29
Summary:

Temper and stinginess of CB's father. Seeking job in mining through Mr. Champernowne, local mineralogist. Describes CB's elopement, marriage by former tutor, and new residence. Considered career in Church when CB had prospect of inheriting fortune from CB's father, but that is no longer possible. Gives an equation for discussion.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[14 November 1814]
Source of text:
RS:HS 2.32
Summary:

Thanking him for the paper on analysis. Has been to see Sir Joseph Banks. Hopes to see JH soon.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[12 December 1814]
Source of text:
RS:HS 2.34
Summary:

Why hasn't he written? Further regarding Charles Shadwell's advice. Is preparing his paper on functions so that JH or William Herschel can communicate it to the R.S.L.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[11 February 1815]
Source of text:
RS:HS 2.35
Summary:

Explaining his new theory of the atmospheres of the sun, planets, and stars.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[15 March 1815]
Source of text:
RS:HS 2.37
Summary:

Regarding the vacant post of Professor of Chemistry at Cambridge. Has heard that the works of Leonhard Euler are being reprinted. Would he obtain the return of one of CB's books from Mr. Higman.

Contributor:
John Herschel Project